i18n: shipped components read their copy from the catalog

Select's default placeholder, the clear, close, remove and unpin tooltips,
the completion menu's empty line and the size sample showed English under
zh-CN. A source test now fails on any fixed English literal in them.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

src/forms/input.rs

@@ -4,6 +4,7 @@ use gpui::{
 };
 
 use super::TextInput;
+use crate::i18n;
 use crate::{
     buttons::IconButton,
     primitives::{Icon, IconName},
@@ -148,7 +149,7 @@ impl RenderOnce for Input {
                 frame.child(
                     IconButton::new(("input-clear", clear_id), IconName::CircleX)
                         .size(ControlSize::Sm)
-                        .tooltip("Clear")
+                        .tooltip(i18n::text(cx, "input.clear", &[]))
                         .on_click(move |_, window, cx| {
                             state.update(cx, |input, cx| input.set_text("", cx));
                             window.focus(&state.read(cx).focus().clone(), cx);

src/forms/select.rs

@@ -251,7 +251,7 @@ pub struct Select {
     id: ElementId,
     choices: Vec<Choice>,
     selected: Option<SharedString>,
-    placeholder: SharedString,
+    placeholder: Option<SharedString>,
     label: Option<SharedString>,
     size: ControlSize,
     disabled: bool,
@@ -264,7 +264,7 @@ impl Select {
             id: id.into(),
             choices: choices.into_iter().collect(),
             selected: None,
-            placeholder: SharedString::from("Choose…"),
+            placeholder: None,
             label: None,
             size: ControlSize::default(),
             disabled: false,
@@ -284,7 +284,7 @@ impl Select {
     }
 
     pub fn placeholder(mut self, text: impl Into<SharedString>) -> Self {
-        self.placeholder = text.into();
+        self.placeholder = Some(text.into());
         self
     }
 
@@ -326,6 +326,8 @@ impl RenderOnce for Select {
             .as_ref()
             .and_then(|value| choices.iter().find(|choice| choice.value == *value))
             .cloned();
+        let placeholder =
+            (self.placeholder.clone()).unwrap_or_else(|| i18n::text(cx, "select.placeholder", &[]));
         let colors = &cx.theme().colors;
         let trigger = field_button(
             self.id.clone(),
@@ -336,7 +338,7 @@ impl RenderOnce for Select {
             cx,
         )
         .role(Role::ComboBox)
-        .aria_placeholder(self.placeholder.clone())
+        .aria_placeholder(placeholder.clone())
         .when_some(self.label.clone(), |trigger, label| {
             trigger.aria_label(label)
         })
@@ -361,7 +363,7 @@ impl RenderOnce for Select {
         )
         .child(field_text(
             shown.map(|choice| choice.label),
-            self.placeholder,
+            placeholder,
             self.disabled,
             cx,
         ))